Not complete it if we only know about the history of the guitar without knowing the key / chord guitar. And now a lot of beginners learning the guitar for a hobby or really want to become a musician with the title of the best guitar players in the world. Well here I am posting the lyrics with his guitar keys.

Em Nothing to prove and I'm bulletproof andGKnow what I'm doingC The way we're movin' like introducing us to a new thingEm I wanna savor, save it for laterG The taste of flavor, cause I'm a takerC Cause I'm a giver, it's only nature

So the key guitar and the lyrics to his Ariana Grande songs, please try and learn at home, and may be useful. Keep practicing so that you can be a great guitar player and of course when you want to become a great artist with a band or solo career, do not be hesitant or ashamed to learn to develop themselves by learning key guitar / guitar chord base. And thank you.